Question

Find the factors prime or composite 21

Answer 1

21 is a composite number

Explanation:

It is a composite because multiple numbers can go in it like 3 and 7 so it is a composite number

Answer 2

Hello There! :)

21 is composite.

Keep in mind that if we can take a number and add its digits and get 3, 6, or 9, then the number is composite.

The factors of 21 are: 1. 3, 7, 21

Hope it helps! :)